| Simav to Orbetello | 956.52 mi (1,539.37 km) |
| Simav to Oria | 610.02 mi (981.73 km) |
| Simav to Oristano | 1,086.37 mi (1,748.35 km) |
| Simav to Orta Nova | 716.56 mi (1,153.19 km) |
| Simav to Orte | 897.61 mi (1,444.56 km) |
| Simav to Ortona | 795.20 mi (1,279.75 km) |
| Simav to Orvieto | 914.48 mi (1,471.72 km) |
| Simav to Orzinuovi | 1,064.27 mi (1,712.78 km) |
| Simav to Osimo | 858.66 mi (1,381.88 km) |
| Simav to Ospitaletto | 1,061.10 mi (1,707.68 km) |
| Simav to Ostuni | 614.39 mi (988.76 km) |
| Simav to Ottaviano | 776.85 mi (1,250.22 km) |
| Simav to Ovada | 1,111.06 mi (1,788.07 km) |
| Simav to Ozieri | 1,062.84 mi (1,710.48 km) |
| Simav to Paceco | 890.21 mi (1,432.66 km) |
